Order the following substances from the least toxic to the most toxic: Least Toxic
1
chlorine (LD50 = 850 mg/kg)
2.
aspirin (LD 50 = 200 mg/kg)
3
cola flavoring (LD 50 = 140 mg/kg)
4
vitamin A (LD50 = 2000 mg/kg)
Most Toxic
12
1 point
Ps

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

How have the greenhouse gasses increased from the year 2000 to 2018